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Five most important inventions of the World - presentation by Group 1 3 A DPSG

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    Five most important inventions

  • Invention of computers

    Invention of computers
    The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons